--- djbfft-0.76/install.c.orig	2003-04-25 23:31:34.000000000 +0200
+++ djbfft-0.76/install.c	2003-04-25 23:29:05.000000000 +0200
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include "substdio.h"
 #include "strerr.h"
 #include "error.h"
--- djbfft-0.76/instcheck.c.orig	2003-04-25 23:31:34.000000000 +0200
+++ djbfft-0.76/instcheck.c	2003-04-25 23:28:11.000000000 +0200
@@ -1,5 +1,6 @@
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <errno.h>
 #include "strerr.h"
 #include "error.h"
 #include "readwrite.h"
--- djbfft-0.76/strerr_sys.c.orig	2003-04-25 23:31:34.000000000 +0200
+++ djbfft-0.76/strerr_sys.c	2003-04-25 23:28:32.000000000 +0200
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include "error.h"
 #include "strerr.h"
 
--- djbfft-0.76/substdi.c.orig	2003-04-25 23:31:34.000000000 +0200
+++ djbfft-0.76/substdi.c	2003-04-25 23:28:41.000000000 +0200
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include "substdio.h"
 #include "byte.h"
 #include "error.h"
--- djbfft-0.76/substdo.c.orig	2003-04-25 23:31:34.000000000 +0200
+++ djbfft-0.76/substdo.c	2003-04-25 23:28:47.000000000 +0200
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include "substdio.h"
 #include "str.h"
 #include "byte.h"
